– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 4 pm Tue 27 Oct Local Time
Updates in:
Update imminent hr min s
Issued: 4 pm Tue 27 Oct Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–4 Weather SummaryHeavy rain (total 38mm), heaviest during Tue night. Mild temperatures (max 7°C on Tue afternoon, min 2°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 7mm), mostly falling on Fri afternoon. Mild temperatures (max 9°C on Mon morning, min 2°C on Sat night). Wind will be generally light. | ||||||||||||||||
Tue 27 | Wednesday 28 | Thursday 29 | Friday 30 | Saturday 31 | Sunday 1 | ||||||||||||
PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  |  | | | | |  | | |  | | | | |
light rain | heavy rain | rain shwrs | rain shwrs | some clouds | some clouds | rain shwrs | some clouds | light rain | light rain | light rain | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | |
Cloud base (m) | 550 | 550 | 600 | 650 | 850 | 1800 | 2100 | 600 | 2250 | 700 | 700 | 600 | 750 | 650 | 600 | 650 | 600 |
km/h | |||||||||||||||||
 |  |  |  |  |  | ||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | 3 | 30 | 1.4 | 2 | — | — | 0.7 | — | 0.2 | 5 | 0.6 | 0.9 | 0.6 | 0.1 | 0.3 | 0.3 | — |
max °C | 7 | 5 | 5 | 5 | 3 | 5 | 7 | 3 | 4 | 4 | 4 | 5 | 6 | 4 | 4 | 5 | 4 |
min °C | 6 | 3 | 4 | 4 | 2 | 2 | 6 | 2 | 4 | 3 | 3 | 4 | 6 | 2 | 4 | 5 | 2 |
chill °C | 4 | 1 | 3 | 4 | 1 | 0 | 6 | 0 | 3 | 1 | 1 | 2 | 5 | 2 | 4 | 5 | 1 |
Freezing level m | 1500 | 1200 | 1250 | 1200 | 1100 | 1350 | 1400 | 1500 | 1250 | 1100 | 1200 | 1200 | 1350 | 1100 | 1100 | 1150 | 2200 |
 | — | — | 7:47 | — | — | 7:48 | — | — | 7:50 | — | — | 7:52 | — | — | 6:54 | — | — |
 | 5:55 | — | — | 5:54 | — | — | 5:52 | — | — | 5:51 | — | — | 5:50 | — | — | 4:47 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 38mm), heaviest during Tue night. Mild temperatures (max 7°C on Tue afternoon, min 2°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 7mm), mostly falling on Fri afternoon. Mild temperatures (max 9°C on Mon morning, min 2°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.